Planning and execution of a population health survey by means of a multidisciplinary research consortium

Samuel Carvalho Dumith, Renata Gomes Paulitsch, Marina Xavier Carpena, Monica de Fátima Rossato Muraro, Milena de Oliveira Simões, Karla Pereira Machado, Mariane da Silva Dias, Andressa Carine Kretschmer, Manoela Maciel Oliz, Leandro da Silveira Pontes, Lulie Rosane Odeh Susin


AIMS: To describe the methodological and operational aspects of a health survey, conducted by means of a multidisciplinary research consortium.

METHODS: A cross-sectional, population-based study was conducted with individuals 18 years or older, living in the urban area of the municipality of Rio Grande, in Rio Grande do Sul state, Brazil. The sampling was probabilistic, with census tracts as the primary sample unit. The research instrument consisted of a standardized and previously tested questionnaire, with closed questions, applied by face-to-face in dwellings. A brief questionnaire was administered to 10.5% of subjects for quality control purposes. Fieldwork lasted from April to July 2016, and the study was approved by an ethics committee.

RESULTS: Of the 70 sampled census tracts, 711 households were randomly selected, comprising 1,429 eligible individuals. Overall, 1,300 individuals (91.0%) of 676 households (95.1%) answered the questionnaire. Losses and refusals were more prevalent for males and downtown's sectors. The questionnaire reproducibility was satisfactory (mean kappa = 0.80).

CONCLUSIONS: The main methodological aspects of a multidisciplinary research consortium were pointed out, which may be of interest to other researchers. We highlight the importance of these type of study to yield information on various health conditions of the population.


epidemiology; cross-sectional studies; health surveys; methodology; health.


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